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Finding the Fourth Proportional to 48,851.40, 67,411.26 and 32,957.40

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Solution

The fourth proportional to 48,851.40, 67,411.26 and 32,957.40 is: 45,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,851.40 : 67,411.26 = 32,957.40 : x
  2. Step 2: Convert to fraction form
    48,851.40/67,411.26 = 32,957.40/x
  3. Step 3: Cross multiply
    48,851.40x = 67,411.26 × 32,957.40
  4. Step 4: Simplify right side
    48,851.40x = 2,221,699,860.32
  5. Step 5: Solve for x
    x = 2,221,699,860.32/48,851.40
  6. Step 6: Final answer
    x = 45,478.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.